Production of powerful spatially coherent radiation in planar and coaxial fem exploiting two-dimensional distributed feedback

A.V. Arzhannikov, A.W. Cross, N.S. Ginzburg, Wenlong He, P.V. Kalinin, I.V. Konoplev, S.A. Kuznetsov, N.Y. Peskov, A.D.R. Phelps, C.W. Robertson, K. Ronald, C.G. Whyte

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Two-dimensional distributed feedback is an effective method of producing ultrahigh-power spatially coherent radiation from an active medium, that is spatially extended along two coordinates, including relativistic electron beams with sheet and annular geometry. This paper describes the progress in the investigations of planar and coaxial free-electron masers (FEMs) based on a novel feedback mechanism. The theoretical analysis of these FEM schemes was conducted in the frame of the coupled-wave approach and 3-D simulations and agrees well with the experimental data obtained in ldquocoldrdquo and ldquohotrdquo tests. As a result, the effective transverse (azimuthal) mode selection has been demonstrated under a transverse size of about 20-25 wavelengths, and narrow-frequency multimegawatt microwave pulses have been generated in the Ka- and W-bands.
LanguageEnglish
Pages1792-1800
Number of pages8
JournalIEEE Transactions on Plasma Science
Volume37
Issue number9
DOIs
Publication statusPublished - 9 Sep 2009

Fingerprint

coherent radiation
masers
free electrons
relativistic electron beams
microwave frequencies
geometry
pulses
wavelengths
simulation

Keywords

  • Free-electron maser
  • FEM
  • mode selection
  • powerful microwave radiation
  • 2-D distributed feedback
  • coherence
  • masers
  • microwave generation
  • Ka-bands
  • W-bands
  • coaxial free-electron maser
  • coupled wave
  • effective transverse mode selection
  • multimegawatt microwave pulse

Cite this

Arzhannikov, A.V. ; Cross, A.W. ; Ginzburg, N.S. ; He, Wenlong ; Kalinin, P.V. ; Konoplev, I.V. ; Kuznetsov, S.A. ; Peskov, N.Y. ; Phelps, A.D.R. ; Robertson, C.W. ; Ronald, K. ; Whyte, C.G. / Production of powerful spatially coherent radiation in planar and coaxial fem exploiting two-dimensional distributed feedback. In: IEEE Transactions on Plasma Science. 2009 ; Vol. 37, No. 9. pp. 1792-1800.
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abstract = "Two-dimensional distributed feedback is an effective method of producing ultrahigh-power spatially coherent radiation from an active medium, that is spatially extended along two coordinates, including relativistic electron beams with sheet and annular geometry. This paper describes the progress in the investigations of planar and coaxial free-electron masers (FEMs) based on a novel feedback mechanism. The theoretical analysis of these FEM schemes was conducted in the frame of the coupled-wave approach and 3-D simulations and agrees well with the experimental data obtained in ldquocoldrdquo and ldquohotrdquo tests. As a result, the effective transverse (azimuthal) mode selection has been demonstrated under a transverse size of about 20-25 wavelengths, and narrow-frequency multimegawatt microwave pulses have been generated in the Ka- and W-bands.",
keywords = "Free-electron maser, FEM, mode selection, powerful microwave radiation, 2-D distributed feedback, coherence, masers, microwave generation, Ka-bands, W-bands, coaxial free-electron maser, coupled wave, effective transverse mode selection, multimegawatt microwave pulse",
author = "A.V. Arzhannikov and A.W. Cross and N.S. Ginzburg and Wenlong He and P.V. Kalinin and I.V. Konoplev and S.A. Kuznetsov and N.Y. Peskov and A.D.R. Phelps and C.W. Robertson and K. Ronald and C.G. Whyte",
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Production of powerful spatially coherent radiation in planar and coaxial fem exploiting two-dimensional distributed feedback. / Arzhannikov, A.V.; Cross, A.W.; Ginzburg, N.S.; He, Wenlong; Kalinin, P.V.; Konoplev, I.V.; Kuznetsov, S.A.; Peskov, N.Y.; Phelps, A.D.R.; Robertson, C.W.; Ronald, K.; Whyte, C.G.

In: IEEE Transactions on Plasma Science, Vol. 37, No. 9, 09.09.2009, p. 1792-1800.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Production of powerful spatially coherent radiation in planar and coaxial fem exploiting two-dimensional distributed feedback

AU - Arzhannikov, A.V.

AU - Cross, A.W.

AU - Ginzburg, N.S.

AU - He, Wenlong

AU - Kalinin, P.V.

AU - Konoplev, I.V.

AU - Kuznetsov, S.A.

AU - Peskov, N.Y.

AU - Phelps, A.D.R.

AU - Robertson, C.W.

AU - Ronald, K.

AU - Whyte, C.G.

N1 - Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record.

PY - 2009/9/9

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N2 - Two-dimensional distributed feedback is an effective method of producing ultrahigh-power spatially coherent radiation from an active medium, that is spatially extended along two coordinates, including relativistic electron beams with sheet and annular geometry. This paper describes the progress in the investigations of planar and coaxial free-electron masers (FEMs) based on a novel feedback mechanism. The theoretical analysis of these FEM schemes was conducted in the frame of the coupled-wave approach and 3-D simulations and agrees well with the experimental data obtained in ldquocoldrdquo and ldquohotrdquo tests. As a result, the effective transverse (azimuthal) mode selection has been demonstrated under a transverse size of about 20-25 wavelengths, and narrow-frequency multimegawatt microwave pulses have been generated in the Ka- and W-bands.

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KW - microwave generation

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KW - W-bands

KW - coaxial free-electron maser

KW - coupled wave

KW - effective transverse mode selection

KW - multimegawatt microwave pulse

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